Four Way Valve Performance Check - Daikin RXL-W Series Service Manual

SiUS092231E
8.5

Four Way Valve Performance Check

Check No.13
 09/12 Class
Part 6 Service Diagnosis
Turn off the power. Then, turn on
the power to restart the system.
Start heating operation.
S80 voltage at
208 - 230 VAC with
compressor on?
(Fig. 1)
YES
Disconnect the four way valve coil
from the connector and check the
continuity.
Four way valve
coil resistance at
1000 ~ 2000 Ω?
YES
(Fig. 1)
Voltage at S80
208 - 230 VAC
∗ Four way valve coil
Cooling/Dry/Defrost: Not energized
Heating: energized
NO
NO
Compressor
ON
Replace the outdoor unit
PCB (main PCB).
Replace the four way valve
coil.
Replace the four way valve.
(R21936)
Time
(R14674)
Check
190